Home / 262,937.28-394,247.94-102,822.60

Finding the Fourth Proportional to 262,937.28, 394,247.94 and 102,822.60

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Solution

The fourth proportional to 262,937.28, 394,247.94 and 102,822.60 is: 154,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,937.28 : 394,247.94 = 102,822.60 : x
  2. Step 2: Convert to fraction form
    262,937.28/394,247.94 = 102,822.60/x
  3. Step 3: Cross multiply
    262,937.28x = 394,247.94 × 102,822.60
  4. Step 4: Simplify right side
    262,937.28x = 40,537,598,235.44
  5. Step 5: Solve for x
    x = 40,537,598,235.44/262,937.28
  6. Step 6: Final answer
    x = 154,172.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.